Machinery for making rivets



UNirEn sraras Nrarnivr onirica.

OLIVER EDES AND ANDREW HOLMES, OF BRAINTREE, MASSACHUSETTS.

MACHINERY FOR MAKING BIVETS.

Specification of Letters Patent No. 1,564, dated April 24, 1840.

To aZZ whom 2f may concern.'

Be -it known that we., 'OLIVER Enns and ANDREW HOLMES, of Braintree,county of Norfolk, and State of Massachusetts, have invented new anduseful Improvements in Machinery for Making Rivets.

The said improvements, the principles thereof, and modes in which wehave contemplated the application of the same by which they may bedistinguished from other inventions of a like character, together withsuch parts, improvements, or combinations We claim as our invention andconsider original and new, we have herein set forth and described, whichdescription, taken in connection with the accompanying drawings, hereinreferred to, forms our specification.

Figures l, 2, 3, and 4 represent our improvements, Fig. l being anelevation; Fig. 2, a section; Fig. 3, a plan or top view of the same,and Fig. 4 some o-f the parts in detail or a section at a3 a3, Fig. 3.

A, A, A represents the framework of wood, metal or other proper materialshaped and arranged as exhibited in the drawings, or otherwise 'suitablyconstructed to answer the intended purpose of supporting the operativeparts of the machinery thereto attached.

B, B, is the main horizontal shaft Sup-- ported in suitable bearings a aon the top of the upright posts or standards C C'. On one end of theshaft B a drum pulley F, or crank D, Fig. 3, or other proper apparatusis to be affixed, communicating with the driving power.

E is a Hy wheel conveniently placed on the shaft B B, the object of thesame being to concentrate and store the superfluous power and regulatethe action or motions of the machine.

A cam G, Figs. 2 and 3, is fixed on the center part of the main shaft BB and so shaped that at each revolution of said shaft B B it willdepress one end of the lever or curved lbeam H I J. The curved beaml H IJ vibrates at one end J in bearings or supports Z) b, and is pressedupward, when the elongated part of the cam Gr ceases to act on the sameby a powerful spring c CZ, one end Z of which is secured to the bottomplate of the frame, and the other c rests and presses against theunderside of the curved beam H I J.

A crank or drum K, Figs. l and 3, is fixed on the end of the shaft B, B,and by means of a connecting rod L, whose other end is attached to thetop of a lever M, communicates a vibratory motion .to a shaft N N,resting in bearings or boxes c c. Two ears 0 0 project from the shaft NN, and support in suitable bearings (Z CZ a cam roller P, see Figs. l, 2and 3.

The roller P rests upon or against a curved surface e, e, or the rear ofthe heading carriage Q, and operates, while vibrated in an arc of acircle, by the vibration of the shaft N, N, so as to push forward theheading carriage Q, which is drawn back when the roller P rises by thecounter action of a wound cylindrical or other proper spring R, Fig. 2.The heading carriage .Q is supported in suit-,able guides so as to allowit to move to and fro in a rectilinear direction, and carries theheading tool S attached to it by screws or in any convenient manner.

The rivets are cut from a cylindrical rod or wire of copper iron or anyother metal suitable to t-he purpose, which rod is supported as itpasses between the cutters, on or by a piece .of steel f g Figs. l, 2 3,4 .whose end g Figs. 2 3 and 4 is bent upward a little at right angles,and has a semicircular guiding groove L cut therein, the said piece ofsteel being aiixed in a blockV of metal T Figs. l 2 3, 4. The arm orbeam AH I J carries atlixed to the end H, t-he steel cutter z' 7c, whoselower end (see Fig. 4) isI hollowed out'semicircularly to receive thewire as it passes between it and the edge of the resting block or pieceof metal f g. The wire or rod is fed in by the operative,

until it strikes against thevface of a step or standard U Figs. l 3 and4, when the beam H I J carrying-the cutter z' la is brought down andseparates or cuts off that portion of rod which intervenes between theouter yedge g of the block f g and the face of the standard U, and thepiece so separatedl falls on the upper face of an arm or linger V, Figs.l, 2, 3, 4.

A stud IV, Figs. 2 and 3, projecting from the heading carriage, meetsand pushes forward (when said carriage advances) the ex- A tremity of abent lever X Y Z whose ful crum, or points of support, is at Y. Theopposite end Z of the lever presses outward Athe top of an upright Z, m,Figs. 3 and 4, who-se lower end or foot is supported and vibrates in aproper bearing or joint n, at tached to the bed of the frame.

The arm V before mentioned is Supported at one end in a proper manner atb3, Fig.`4, by the upright Z m. As the upright Zmis forced outward bythe bent lever X Y Z it is returned when the heading carriage recedes,

by the counter action of a sprmg 0 p, Figs.

3 and 4. That portion of the wireV which was cut 0H (and heretoforedescribed as resting on the upper face of the arm V and nipped or heldbyitand the end V of the cutter i lc, see Fig. 4) is no-w carried down-4ward by the further depression of the arm or beam H I J until itarrivesV opposite a cylindrical aperture g 9,.Figs. 2 and 4, into whichit is driven by the heading tool S of the advancing heading carriage Q,Fig. 2. This apertureV is not quite so long as the portion of wire cutoif to be formed into a rivet, just so much of the said portion as isnecessary, for the formation of the head projectingfbeyond the face ofthe block T. As the heading carriage advances the tool S, strikes uponthe projecting metal and gives it the requisite shape for the head ofthe rivet. Then as the carriage Q recedes the spring s t, bearing on theunderside of the arm V, raises the-arm V up to its former po` sition toreceive the neXt portion of wire j separated by the cutter. Therivetsoformed is pushed out of the aperture Q 1 by the action of thepiston u o Figs. 2 and 3 which is connected or joined to the end of alever w jz/ and driven forward by said lever when the beam H I J rises.The operation of the same is as follows. The lever vibrates on a pin orfulcrum m. The end e of a long bar a a abuts against or is connected tothe end y ofthe lever 'uy' m y, the opposite end of said bar beingconnected to the lower part of the upright lever M, which projectsdownward below the shaft N N to the end of which it is attached.Thereforethe vibrations of the 4lever M will cause the bar e a. to pressforthe standard Z m `(see Figs. 3 and 4) at the same time withdrawingthe end of the arm V from` under the rivet; which arm immediately fliesupward bythe counter action of the spring s t.

Having thus described and set forth the nature and principles of ourimprovements and exhibited them in the annexed drawings i 2; Ve claimthe combination of the cutter z' 7e and arm V for pinching or nippingthe piece of wire separated by thecutters, `and conveying it downward(by descent of the cutter z' 7c) to the aperture g 1' to be headed by'the headingmachineryrand we claim that combination and arrangement ofthe parts, for .withdrawing the arm V from under the head of the rivetinthe aperture Q 1,"the said combination and arrangement consisting ofthe bent lever X Y Z, the standard l m spring o p connectedto the shelfor arm V, and operated `by a stud or projection W from the headingcarriage sub-V stantially in manner above described.

.8. We claim the combination of machinery, (consistingof an uprightlever M bar a e, lever w w 'i/ and piston u o operated by a crank K onthe main shaft B B and connecting rod L) for forcing or pushing out therivet from the aperture g 1 after the heading machinery has performedits office.

In testimony that the above is a true description of our said inventionand improve.- ments, we have hereto set our hands this twenty-fifth dayof January in the year eighteen hundred and forty.

Y Y OLIVER EDES.

, QANDREW HOLMES.

Witnesses:

It. I-I. EDDY, EZRA LINCOLN, J r.

